558/S/553/SB Tapered Roller Bearing Specifications
Bore d (mm)
59.987
Outer D (mm)
129.944
Width B (mm)
—
Dynamic rating Cr (kN)
177
Static rating Cor (kN)
248
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 558/S/553/SB?
RUIST 558/S/553/SB Tapered Roller Bearing: bore d = 59.987 mm, outer diameter D = 129.944 mm, width/height B = — mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 558/S/553/SB carry?
Dynamic load rating Cr = 177 kN and static load rating Cor = 248 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 558/S/553/SB typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 558/S/553/SB replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 59.987 mm, OD 129.944 mm and width — mm match ISO dimensions, 558/S/553/SB is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.